Mitsubishi Electric MUZ-DW25VF-E1 Service Manual page 43

L Check of inverter P.C. board
Check the outdoor fan motor.
(Refer to 12-5. .)
Is the fuse (F901) blown on the in-
verter P.C. board?
No
Check the connection of the connectors
(CN931, CN932) of the outdoor fan motor.
If the connection is poor, make it correct.
Operate the outdoor unit by starting
EMERGENCY OPERATION.
Check the LED indication on the in-
verter P.C. board.
Does the LED blink 10 times?
Yes
(10-time blink)
Replace the inverter P.C. board.
OBH906A
Yes
Check the corresponding parts
following LED indication.
No
(Refer to 12-3.)
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